The OSB may be serving a double purpose, and while the obvious is backing for the brick, it may as well be a shear element, so unless you have or can obtain the original set of plans to ascertain that, that is the 2nd reason not to cut the OSB from the inside.
Stop by the building dept. and ask to speak with a senior inspector. Address your concerns regarding the water coming into the garage under the sill, and casually ask about weep holes at the bottom of the brick veneer and could an inspector stop by to have a look.
Municipalities, generally, offer at a charge, a code enforcement inspection, and it may come to that.
In your synopsis of concerns you registered mail to the contractor, address your concerns by issue and by paragraph. Be sure to thank him for addressing the above the entry water intrusion.
Stop by the building dept. and ask to speak with a senior inspector. Address your concerns regarding the water coming into the garage under the sill, and casually ask about weep holes at the bottom of the brick veneer and could an inspector stop by to have a look.
Municipalities, generally, offer at a charge, a code enforcement inspection, and it may come to that.
In your synopsis of concerns you registered mail to the contractor, address your concerns by issue and by paragraph. Be sure to thank him for addressing the above the entry water intrusion.